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add a couple of event counters.

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This commit is contained in:
christos 2014-11-09 20:29:58 +00:00
parent fadc949fa2
commit aa5330adc0
1 changed files with 12 additions and 2 deletions
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14
sys/dev/rndpseudo.c
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@ -1,4 +1,4 @@
/* $NetBSD: rndpseudo.c,v 1.23 2014/10/26 18:22:32 tls Exp $ */
/* $NetBSD: rndpseudo.c,v 1.24 2014/11/09 20:29:58 christos Exp $ */
/*-
* Copyright (c) 1997-2013 The NetBSD Foundation, Inc.
@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: rndpseudo.c,v 1.23 2014/10/26 18:22:32 tls Exp $");
__KERNEL_RCSID(0, "$NetBSD: rndpseudo.c,v 1.24 2014/11/09 20:29:58 christos Exp $");
#if defined(_KERNEL_OPT)
#include "opt_compat_netbsd.h"
@ -58,6 +58,7 @@ __KERNEL_RCSID(0, "$NetBSD: rndpseudo.c,v 1.23 2014/10/26 18:22:32 tls Exp $");
#include <sys/cpu.h>
#include <sys/stat.h>
#include <sys/percpu.h>
#include <sys/evcnt.h>
#include <sys/rnd.h>
#ifdef COMPAT_50
@ -166,6 +167,13 @@ extern int rnd_ready; /* XXX */
extern rndsave_t *boot_rsp; /* XXX */
extern LIST_HEAD(, krndsource) rnd_sources; /* XXX */
static struct evcnt rndpseudo_soft = EVCNT_INITIALIZER(EVCNT_TYPE_MISC,
NULL, "rndpseudo", "open soft");
static struct evcnt rndpseudo_hard = EVCNT_INITIALIZER(EVCNT_TYPE_MISC,
NULL, "rndpseudo", "open hard");
EVCNT_ATTACH_STATIC(rndpseudo_soft);
EVCNT_ATTACH_STATIC(rndpseudo_hard);
/*
* Generate a 32-bit counter. This should be more machine dependent,
* using cycle counters and the like when possible.
@ -219,10 +227,12 @@ rndopen(dev_t dev, int flags, int fmt, struct lwp *l)
switch (minor(dev)) {
case RND_DEV_URANDOM:
hard = false;
rndpseudo_soft.ev_count++;
break;
case RND_DEV_RANDOM:
hard = true;
rndpseudo_hard.ev_count++;
break;
default: